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authorEugenio Pérez <eperezma@redhat.com>2022-07-20 08:59:38 +0200
committerJason Wang <jasowang@redhat.com>2022-07-20 16:58:08 +0800
commit3f44d13dda83d390cc9563e56e7d337e4f6223f4 (patch)
treed14ef9b7e3cba526cb2fa8e4e2b6367faaffb887 /hw/virtio/vhost-shadow-virtqueue.h
parentd0291f3f284d3bc220cdb13b0d8ac8a44eb5fd4c (diff)
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vhost: add vhost_svq_poll
It allows the Shadow Control VirtQueue to wait for the device to use the available buffers. Signed-off-by: Eugenio Pérez <eperezma@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Jason Wang <jasowang@redhat.com>
Diffstat (limited to 'hw/virtio/vhost-shadow-virtqueue.h')
-rw-r--r--hw/virtio/vhost-shadow-virtqueue.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/hw/virtio/vhost-shadow-virtqueue.h b/hw/virtio/vhost-shadow-virtqueue.h
index dd78f4b..cf442f7 100644
--- a/hw/virtio/vhost-shadow-virtqueue.h
+++ b/hw/virtio/vhost-shadow-virtqueue.h
@@ -89,6 +89,7 @@ void vhost_svq_push_elem(VhostShadowVirtqueue *svq,
int vhost_svq_add(VhostShadowVirtqueue *svq, const struct iovec *out_sg,
size_t out_num, const struct iovec *in_sg, size_t in_num,
VirtQueueElement *elem);
+size_t vhost_svq_poll(VhostShadowVirtqueue *svq);
void vhost_svq_set_svq_kick_fd(VhostShadowVirtqueue *svq, int svq_kick_fd);
void vhost_svq_set_svq_call_fd(VhostShadowVirtqueue *svq, int call_fd);